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When a male hears the song "did it on em" by nicki minaj, he approaches the nearest female and grinds his gentalia all over her leg. the male also places one of his hands upon the back of his head. By doing so, he has shitted on her.

This act is best when done to over weight black women.
Yea son, you shitted on em
by BigDaddyBC May 12, 2011